[Intel-wired-lan] [next PATCH S82 9/9] i40e: Suppress compilation warning on kernels older than 3.12

[Jablonski, Pawel]

This patch is only for older kernels (where the driver is compiling form source on older systems). In newest ones is not needed.

-----Original Message-----
From: Shannon Nelson [mailto:shannon.nelson at oracle.com] 
Sent: Friday, November 3, 2017 9:13 PM
To: Michael, Alice <alice.michael at intel.com>; intel-wired-lan at lists.osuosl.org
Cc: Jablonski, Pawel <pawel.jablonski at intel.com>
Subject: Re: [Intel-wired-lan] [next PATCH S82 9/9] i40e: Suppress compilation warning on kernels older than 3.12

On 11/3/2017 4:05 AM, Alice Michael wrote:
> From: Paweł Jabłoński <pawel.jablonski at intel.com>
> 
> In kernels before 3.12 the second parameter in netif_set_xps_queue 
> function has no const qualifier. It is generating warning in older 
> kernels. get_cpu_mask function always returns a pointer with const 
> qualifier. Adding the cast is enough to remove compilation warning.
> 
> Signed-off-by: Paweł Jabłoński <pawel.jablonski at intel.com>
> ---
>   drivers/net/ethernet/intel/i40e/i40e_main.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c 
> b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index 8657ef6..1fe8099 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -3062,8 +3062,7 @@ static void i40e_config_xps_tx_ring(struct i40e_ring *ring)
>   		return;
>   
>   	cpu = cpumask_local_spread(ring->q_vector->v_idx, -1);
> -	netif_set_xps_queue(ring->netdev, get_cpu_mask(cpu),
> -			    ring->queue_index);
> +	netif_set_xps_queue(ring->netdev, get_cpu_mask(cpu), 
> +ring->queue_index);

I see no actual code change here, no cast as advertised.
sln

>   }
>   
>   /**
> 
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